Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -1 <2/3(5-2x) <1/2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        -1 <2 / 3 * ( 5 - 2 * x )         (1)
        2 / 3 * ( 5 - 2 * x ) <1 / 2         (2)

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    From inequality(1)：
         x < 13/4
    From inequality(2)：
         x ＞ 17/8

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    From inequalities (1) and (2)
         17/8 < x < 13/4     (3)

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    The final solution set is :
         17/8 < x < 13/4

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